Buchumschlag

Systematic modifications of BTP-type ligands and effects on the separation of trivalent lanthanides and actinides

In this study the separation of Am(III) from Eu(III) in nitric acid using two BTP-type N-donor ligands, 2,6-bis(6-ethyl-1,2-diazine-3-yl)pyridine (Et-BDP) and 2,6-bis(4-npropyl-2,3,5,6-tetrazine-1-yl)pyridine (nPr-tetrazine) is presented. The extraction and separation properties of both ligands are...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Beele, Björn B. (VerfasserIn) , Schwörer, Felicitas (VerfasserIn) , Panak, Petra (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 1 November 2012
In: Procedia chemistry
Year: 2012, Jahrgang: 7, Pages: 146-151
ISSN:1876-6196
DOI:10.1016/j.proche.2012.10.025
Online-Zugang:Verlag, Volltext: http://dx.doi.org/10.1016/j.proche.2012.10.025
Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S187661961200099X
Volltext
Verfasserangaben:Björn B. Beele, Udo Müllich, Felicitas Schwörer, Andreas Geist, Petra J. Panak
Beschreibung
Zusammenfassung:In this study the separation of Am(III) from Eu(III) in nitric acid using two BTP-type N-donor ligands, 2,6-bis(6-ethyl-1,2-diazine-3-yl)pyridine (Et-BDP) and 2,6-bis(4-npropyl-2,3,5,6-tetrazine-1-yl)pyridine (nPr-tetrazine) is presented. The extraction and separation properties of both ligands are tested by two phase liquid-liquid extraction at different acid concentrations. In contrast to nPr-BTP the bisdiazinyl ligand Et-BDP is prone to protonation at nitric acid concentrations of 0.2M and higher. A separation factor of SFAm/Eu ≈ 5 is obtained using Et-BDP as extracting ligand and with nPr-tetrazine a SFAm/Eu of 9.1 is realized. Hereby 2-bromodecanoic acid as lipophilic anion source is needed.
Beschreibung:Gesehen am 02.11.2018
Beschreibung:Online Resource
ISSN:1876-6196
DOI:10.1016/j.proche.2012.10.025

Ähnliche Einträge